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Imperial Sanded Cerulean

#0385d3
Notes

Imperial Sanded Cerulean (#0385D3) is a true azure with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (203°, 97%, 42%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#0385d3
RGB
rgb(3, 133, 211)
HSL
hsl(203, 97%, 42%)
HWB
hwb(203 1% 17%)
OKLCH
oklch(59.7% 0.152 245.7)
HSV
hsv(203, 99%, 83%)
LAB
lab(53.49% -1.24 -48.34)
LCH
lch(53.49% 48.35 268.54)
CMYK
cmyk(99%, 37%, 0%, 17%)

Etymology

Imperial
adjective

From the Latin imperialis, of the empire — applied to color since the medieval period for the hues reserved for sovereigns and empires: imperial purple of Tyrian dye, imperial yellow of Ming-dynasty porcelain. As a modifier, imperial implies saturation combined with the institutional weight of a color owned by a court. Sits in the bold-and-deep corner, alongside royal.

Sanded
modifier

Old English sandian, to-sand. As a color modifier, sanded implies a hand-sanded-and-smoothed-wood quality, the visual register of Shaker-and-Mid-Century-Modern-sanded hand-sanded-and-smoothed-and-finished wood-and-stone-and-metal Shaker-and-Mid-Century-Modern hand-sanded-and-smoothed surfaces under Shaker-and-Mid-Century-Modern hand-sanded-and-smoothed workshop-light. Sits at the modifier-and-texture end of the grid, parallel to honed and buffed in usage.

Cerulean
noun

From the Latin caeruleum, originally referring to dark blue paint pigment of the Roman world, then via French céruléen into English. As a modern art-supply name, cerulean blue is the cobalt-tin oxide pigment introduced in 1805. The color refers to a clean, slightly green-shifted blue with the matte finish of mineral pigment in linseed oil: lighter than cobalt, deeper than aqua, with the painter's weight of a word for sky.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#0385d3
Original
#5f89d6
Protanopia
#4278d2
Deuteranopia
#0098a2
Tritanopia
#6f6f6f
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon White
3.96:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.30:1

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